Is 3 hours worked for $12 equivalent 9 hours worked for $36

Yes, 3 hours worked for $12 is equivalent to 9 hours for $36.

Step-by-step explanation:

You can set up a ratio for this.

hours: dollars

3 hours: $12

9 hours: $36

3 hours to 9 hours is 3*3=9

$12 dollars to $36 dollars is $12*3=36

just needed some points but try socratic

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6